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Sacrum, pelvic surface
Image o a male pelvis (sacrum is in center)
Laitin Os sacrum
TA A02.2.05.001
FMA 16202
Anatomical terms o bane

In tetrapod anatomy, the sacrum (/ˈsækrəm/ or /ˈskrəm/; plural: sacra or sacrums;[1] Laitin Os sacrum[2]) is a lairge, triangular bane at the base o the spine an at the upper, back pairt o the pelvic cavity, whaur it is insertit lik a wedge atween the twa hip banes.

References[eedit | eedit soorce]

  1. Oxford Dictionaries and Webster's New College Dictionary (2010) admit the plural sacrums alangside sacra; The American Heritage Dictionary, Collins Dictionary and Webster's Revised Unabridged Dictionary (1913) gie sacra as the anly plural.
  2. "saucrit bane", translation o Greek ἱερόν ὀστέον, supposedly so cried acause o its role in auncient ainimal sacrifice.